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All Journal Jurnal Teknik ITS IPTEK The Journal for Technology and Science Journal of Civil Engineering Jurnal Aplikasi Teknik Sipil COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat
Bambang Piscesa
Civil Engineering Department, Faculty Of Civil, Environmental And Geo Engineering, Institut Teknologi Sepuluh Nopember (ITS), Surabaya, Indonesia
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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Journal : Journal of Civil Engineering

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NON-LINEAR SECTIONAL ANALYSIS OF REINFORCED CONCRETE COLUMN STRENGTHENED BY REINFORCED CONCRETE JACKETING WITH HIGH-STRENGTH STEEL Imron Imron; Bambang Piscesa; Achfas Zacoeb
Journal of Civil Engineering Vol. 37 No. 2 (2022)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v37i2.7614

Abstract

This paper presents a nonlinear sectional analysis of reinforced concrete (RC) columns strengthened by RC jacketing, which also utilizes a high-strength reinforcing bar. A simple interface slip model was used to model the relationship between the old and the new concrete material. The initial axial load and bending moment are included in the analysis by introducing an initially prescribed strain before loading. The nonlinear sectional analysis was performed using an in-house MATLAB code utilizing the fiber-based method. The RC section was discretized with constant strain triangles (CST). The developed RC column model with jacketing was validated using the available test results in the literature. After the validation of the model was completed, the parametric study was carried out to gain an insight into the effect of using high strength reinforcing bar in the jacket structural element. The curvature and I10 ductility index were evaluated based on pure axial and constant axial loads with increased bending moment. From the validation of the model with the test result, the model predictions were satisfactorily showing a good fit, concluding that the developed MATLAB code can be used to evaluate RC columns strengthened with concrete jacketing. For the parametric study, the high strength reinforcing bar in RC column jacketing can increase the flexural, axial, and lateral load capacity but reduce the overall ductility. On the other hand, utilizing only high strength reinforcing bar for transverse reinforcement with tighter spacing resulted in higher ductility than if all the reinforcing bar was made from a high strength one.
FINITE ELEMENT ANALYSIS ON THE NONLINEAR BEHAVIOR OF THE RC SHEAR WALL WITH REGULAR OPENINGS INFLUENCED BY HIGH-STRENGTH STEEL Ika Salsabila Nurahida; Bambang Piscesa; Pujo Aji; Asdam Tambusay
Journal of Civil Engineering Vol. 37 No. 2 (2022)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v37i2.7616

Abstract

This paper presented a nonlinear finite element analysis of lateral loading RC shear walls with regular openings using the 3D-NLFEA program. The RC shear walls model was generated from the available test results in the literature. To model the concrete under a complex stress state, a multi-surface plasticity model which combines compression failure surface with tension cut-off failure surface was used. The model was intended to look at the load-displacement relationship and the crack pattern between the model and the numerical model. In addition to the numerical model verification, parametric studies were carried out to investigate the use of high-strength steel (HSS) of the two different grades (grades 100 and 120) to replace all the normal-strength steel (NSS) or only some of it. The parametric studies found that the shear wall with the NSS bar demonstrated higher stiffness and achieved higher lateral load with the lowest extent of damage (compared to the RC shear wall with the HSS bar). On the other hand, using the HSS bar resulted in lower stiffness, lower lateral load, and higher damage region, which was expected as more strain is required to yield the HSS bar.
APPLICATION OF DIGITAL IMAGE CORRELATION TO CAPTURE THE CRACK MOUTH OPENING DISPLACEMENT OF THE NOTCHED STEEL FIBER REINFORCED CONCRETE (SFRC) BEAM Mudji Irmawan; Bambang Piscesa; Priyo Suprobo; Harun Alrasyid
Journal of Civil Engineering Vol. 37 No. 2 (2022)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v37i2.7620

Abstract

The application of digital image correlation (DIC) to capture any point in the experimental test is found to be promising. Using the DIC and appropriate tool can overcome the limitation of the traditional sensors to capture the movement or displacement in the tested specimen. In this study, an open-source DIC called Digital Image Correlation Engine (DICE) is used to capture the crack mouth opening displacement (CMOD) of the notched steel fiber reinforced concrete (SFRC) beam with points tracking method. There are three beam specimens with different sizes and similar aspect ratios reported in this paper. All beams have 0.5% steel fiber volumetric content. The SFRC beams are marked with points and tested under a three-point bending flexural test. Custom firmware for Canon DSLR 650D digital camera called Magic Lantern is used to capture the pictures per one second. DICE software is used to analyze the point movements and dumped the output file. ParaView 5.9.0 is then used to visualize the data. A method to calibrate the point coordinate with actual measurement is proposed. A small script is written in Visual Basic Application (VBA) in Microsoft Excel to correlate the displacement for each point of interest with the recorded applied load. With the developed script, any point of interest tracked with DICE can be related to the recorded data from the data logger. From this study, the obtained CMOD with the corresponding applied load is presented, which can be used to investigate the flexural fracture energy of the SFRC beam.
MODELING PULL-OUT BEHAVIOR OF THE DEFORMED REBAR EMBEDDED INSIDE THE REINFORCED CONCRETE Kohar Yudoprasetyo; Bambang Piscesa; Harun Alrasyid
Journal of Civil Engineering Vol. 37 No. 1 (2022)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v37i1.7623

Abstract

Abstract: This study presents the modeling of the pull-out behavior of deformed bars embedded inside the reinforced concrete element. The simulation uses an in-house finite element package called 3D-NLFEA. Sufficiently small solid elements that consider the frictional resistance and mechanical interlocking between the bar thread and the concrete matrix were used in the simulation. The effect of concrete compressive strength, cover thickness, and stirrup configuration on the pull-out capacity of the modeled specimens are investigated thoroughly. The modeling found out that the 3D-NLFEA package can capture the bond-fracture process at the interface between the bars and concrete. The fracture that occurs in the concrete was dominated by tensile splitting failure. The presence of stirrups that confined the concrete and restrained the crack propagation significantly influences the pull-out capacity, cracking pattern, and failure behavior at the bar interface with the concrete. The analysis results from 3D-NLFEA are also compared with the 3D-RBSM analysis results available in the literature. From the comparison between the two packages, it can be concluded that the analysis result from 3D-NLFEA is somewhat more conservative compared to the 3D-RBSM.
NUMERICAL INVESTIGATION OF GEOPOLYMER REINFORCED CONCRETE BEAMS UNDER FLEXURAL LOADING USING 3DNLFEA Yosi Noviari Wibowo; Bambang Piscesa; Yuyun Tajunnisa
Journal of Civil Engineering Vol. 37 No. 1 (2022)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v37i1.7628

Abstract

This paper deals with numerical modeling of geopolymer reinforced concrete loaded under flexure using nonlinear finite element analysis. The modeled specimen was obtained from the existing literature and is tested under the four-point bending load. The numerical simulation uses an in-house limited element package called 3D-NLFEA, which utilizes ordinary concrete's multi-surface plasticity model. Since the concrete constitutive model used is for ordinary Portland cement, adjusting the input parameter is required to predict the behavior of geopolymer reinforced concrete. The focus on the discussion was limited to the modeling of the specimen, the moment-curvature result, and the crack pattern between the numerical model and the available experimental test. The simulation found that the predicted moment-curvature relationship using the 3D-NLFEA package was 1.3 to 2.4 % lower than the test result. The crack pattern was controlled by flexure, which was observed in the experimental test and numerical simulation. The predicted crack lengths for modeled beam using 3D-NLFEA were within the minimum and maximum measured crack lengths from the test result.
SHEAR BUCKLING ANALYSIS OF CORRUGATED WEB I-GIRDER WITH 3D NONLINEAR FINITE ELEMENT METHOD Ni Putu Ary Yuliadewi; Heppy Kristijanto; Bambang Piscesa; Priyo Suprobo; Faimun Faimun
Journal of Civil Engineering Vol. 36 No. 2 (2021)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v36i2.7635

Abstract

This paper presents a shear buckling analysis of corrugated web I-girder beam using nonlinear finite element analysis. An in-house finite element package called 3D-NLFEA is used in the simulation. The steel material is modelled as solid elements with one-eight aspect ratio between the element size and its thickness. The double sine waves equation is used to generate the initial imperfection in the corrugated web. The nonlinear geometry deformation, which is essential in capturing the buckling behavior, is considered using the 2nd order analysis in 3D-NLFEA. A comparison with the carried out experimental test in the laboratory showed that the peak prediction from the analytical model was in good agreement. Furthermore, using the double sine waves equation as the initial imperfection can closely predict the buckling mode and shapes of the corrugated web I-girder as obtained from the experimental test.
Co-Authors . Faimun Abdul Rochim Achfas Zacoeb Achmad Zubaydi Adena, Haura Adhi Dharma Prasetyo Adhi Dharma Prasetyo Adveni Hesty Altisari Lada Ainun Najib Ainun Najib Aji, Pujo Alrasyid, Harun Alrasyid, Harun Angga Bayu Christianto Angga Bayu Christianto Asdam Tambusay Ayu Dewadatta, Ni Wayan Amrita Data Iranata Dwi Prasetya Dwi Prasetya Dyah Sukma Putri Andini Endah Wahyuni Faimun Faimun Ferry Alius Ferry Alius Harun Al Rasyid Harun Al Rasyid Harun Alrasyid Haura Adena Heppy Kristijanto Heppy Kristijanto Hidajat Sugihardjo Ika Salsabila Nurahida Imron Imron Imron Imron Iranata, Data Irmawan, Mudji Khansa Fadilah Ashara Kohar Yudoprasetyo Kohar Yudoprasetyo Lada, Adveni Hesty Altisari Lestari, Laras Laila Lina Febrianty Mudji Irmawan Muhammad Aziz Mubarok Muhammad Rifky Trisnawardhana Muhammad Satrya Ageta Ni Putu Ary Yuliadewi Ni Putu Ary Yuliadewi Prasetya, Dwi Pratama Yuli Arianto Priyo Suprobo Priyo Suprobo Pujo Aji Rahmat D. Sutrisno Refani, Afif Navir Silalahi, Oktavia Ully Artha Suswanto, Budi Sutrisno, Wahyuniarsih Sutrisno, Wahyuniarsih Tavio, Tavio Tugas Hutomo Putra Tugas Hutomo Putra Tuswan Tuswan Wahyuniarsih Sutrisno Wahyuniarsih Sutrisno Wisnu Priambodo Yosi Noviari Wibowo Yosi Noviari Wibowo Yuyun Tajunnisa